The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

Picturesque intersection of witchcraft and ancient Christianity.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

A garden in Lisbon filled with giant porcelain creatures.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

This charming candle shop has been in business since 1789.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

The stunning interior of this Gothic church is covered in ornate gold details.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

When Azorean green tea meets volcanic hot springs water, a luminous brew is born.

The best place in the world to buy tinned fish.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

The world's oldest bookshop still in operation.

Houses are tucked between, on, and underneath giant boulders.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

What started as a way to address damp basement walls turned into a house filled with intricate hand-carved designs.

This magnificent, quirky home sits atop a literal gold mine in the middle of the Nevada desert.